The Big Bang Theory

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  • Created by: Hope
  • Created on: 27-05-14 17:56
What is the big bang theory?
All matter was concentrated into a single tiny point, this began to enlarge rapidly in a hot explosion
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In terms of the doppler effect, what happens when a source is moving towards an observer?
The wavelength decreases and the frequency increases
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In terms of the doppler effect, what happens when a source is moving away from an observer?
The wavelength increases and the frequency decreases
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How do we know there is helium in our sun?
On the suns spectrum of light there are black lines from when the helium has absorbed the light
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Complete this sentence: The further aay a star is....
The more of its light is red-shifted
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What does red shift tell us?
Galaxies are moving away from us
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Other cards in this set

Card 2

Front

In terms of the doppler effect, what happens when a source is moving towards an observer?

Back

The wavelength decreases and the frequency increases

Card 3

Front

In terms of the doppler effect, what happens when a source is moving away from an observer?

Back

Preview of the front of card 3

Card 4

Front

How do we know there is helium in our sun?

Back

Preview of the front of card 4

Card 5

Front

Complete this sentence: The further aay a star is....

Back

Preview of the front of card 5
View more cards

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